The preparation of sulfur-containing organosilicon compounds

Prepn. of organosilicon cpds. of formula (I) comprises reacting a cpd. of formula (II) with a cpd. of formula (III) in the presence of: (a) a phase transfer catalyst, (b) an aq. phase, and (c) a salt of formulae (IV) or (V). Z-Alk-Sn-Alk-Z (I) Z = Si(R1)2(R2), Si(R1)(R2)2 or Si(R2)3 R1 = 1-4C alkyl,...

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Bibliographic Details
Main Authors HIRST, ROBERT CHARLES, PARKER, DANE KENTON, HOPPER, ROGER JOHN, MUSLEVE, RICHARD THOMAS
Format Patent
LanguageEnglish
French
German
Published 31.01.1996
Edition6
Subjects
ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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Summary:Prepn. of organosilicon cpds. of formula (I) comprises reacting a cpd. of formula (II) with a cpd. of formula (III) in the presence of: (a) a phase transfer catalyst, (b) an aq. phase, and (c) a salt of formulae (IV) or (V). Z-Alk-Sn-Alk-Z (I) Z = Si(R1)2(R2), Si(R1)(R2)2 or Si(R2)3 R1 = 1-4C alkyl, cyclohexyl or phenyl; R2 = 1-8C alkoxy, or 5-8C cycloalkoxy; Alk = divalent 1-18C hydrocarbon; and n = 2-8. Z-Alk-X (II) X = Cl, Br, or I. Me2Sn (III) Me = ammonium or an alkali metal. XY (IV) X2SO4 (V) X = Li, Na, K, Rb, or Cs; and Y = F, Cl, or Br.
Bibliography:Application Number: EP19950110482